IT8324211A0 - OPTICAL COMPARATOR. - Google Patents

OPTICAL COMPARATOR.

Info

Publication number
IT8324211A0
IT8324211A0 IT8324211A IT2421183A IT8324211A0 IT 8324211 A0 IT8324211 A0 IT 8324211A0 IT 8324211 A IT8324211 A IT 8324211A IT 2421183 A IT2421183 A IT 2421183A IT 8324211 A0 IT8324211 A0 IT 8324211A0
Authority
IT
Italy
Prior art keywords
optical comparator
comparator
optical
Prior art date
Application number
IT8324211A
Other languages
Italian (it)
Inventor
Charles Wayne Donaldson
Original Assignee
Gen Electric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of IT8324211A0 publication Critical patent/IT8324211A0/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
IT8324211A 1982-12-28 1983-12-16 OPTICAL COMPARATOR. IT8324211A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45398682A 1982-12-28 1982-12-28

Publications (1)

Publication Number Publication Date
IT8324211A0 true IT8324211A0 (en) 1983-12-16

Family

ID=23802840

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8324211A IT8324211A0 (en) 1982-12-28 1983-12-16 OPTICAL COMPARATOR.

Country Status (5)

Country Link
JP (1) JPS59160706A (en)
DE (1) DE3346325A1 (en)
FR (1) FR2538538A1 (en)
GB (1) GB2133173A (en)
IT (1) IT8324211A0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814808B1 (en) 2000-10-02 2002-12-20 Essilor Int PROCESS FOR OPTICALLY READING THE SHAPE OF A PROFILE AND APPLICATION TO THE SURVEY OF THE INNER EDGE OF A GLASSES MOUNTING CIRCLE.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB613958A (en) * 1946-05-08 1948-12-07 Frederick William Mosey Improvements in and connected with grinding or lapping gears, and the like
GB650092A (en) * 1947-03-03 1951-02-14 Joseph Lambert Jameson Improvements in optical comparator apparatus
FR1054238A (en) * 1950-12-18 1954-02-09 Power Jets Improvements in optical examination devices and procedures
GB1171456A (en) * 1965-12-29 1969-11-19 Textron Inc Projection Apparatus and Method for Internal Contour Inspection

Also Published As

Publication number Publication date
FR2538538A1 (en) 1984-06-29
GB2133173A (en) 1984-07-18
GB8331100D0 (en) 1983-12-29
DE3346325A1 (en) 1984-06-28
JPS59160706A (en) 1984-09-11

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